The UK holds elections on 6 May. From the gov.uk site:
Register by 11:59pm on 19 April to vote in the following elections on 6 May:
- local government elections and referendums in England
- Police and Crime Commissioner elections in England and Wales
- Scottish Parliament elections
- Senedd (Welsh Parliament) elections
- Mayor of London and London Assembly elections
Register Online. It usually takes about 5 minutes. Start Now.
Registration is easy: a rare example of a well-designed web site.
You can also support your party with a donation. Mine is the Edinburgh Green Party; feel free to add yours via the comments. Current polling shows Green on track to win 10 seats in the regional lists, and Alba on track to get no seats.